H03F 2203/21172
A series resonance circuit being coupled at the output of a power
Official title: A series resonance circuit being coupled at the output of a power amplifier
H03F2203/21172 (A series resonance circuit being coupled at the output of a power) appears on 9 US grants and 12 published applications in this corpus.
Search patents in H03F- Granted patents
- 9
- Published applications
- 12
- Assignees
- 10
- Inventors
- 19
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
By publication year.
Recent patents
- Full-bridge class D amplifier30 Dec 2025US 12,512,794 B2Paeonia Development AB
- Power amplifier and radio transmitter26 Mar 2019US 10,243,525 B2Hitachi Kokusai Electric Inc.
- Power amplifier20 Feb 2018US 9,899,962 B2Murata Manufacturing Co., Ltd.
- Power amplifier23 May 2017US 9,660,591 B2Murata Manufacturing Co., Ltd.
- Multi-bit class-D power amplifier system24 May 2011US 7,948,312 B2QUALCOMM Incorporated
- Device including power amplifier in wireless communication system1 May 2025US 2025/0141479 A1Samsung Electronics Co., Ltd.
- Transistor with gate layout, device implementing the transistor with output pre-matching, and process of implementing the same6 Mar 2025US 2025/0080063 A1Wolfspeed, Inc.
- Electronic circuit for multi-band transmitting / receiving6 Mar 2025US 2025/0080154 A1Samsung Electronics Co., Ltd.
- Full-bridge class d amplifier21 Sep 2023US 2023/0299723 A1Paeonia Development AB
- Power amplifier and radio transmitter14 Jun 2018US 2018/0167042 A1Hitachi Kokusai Electric Inc.
Most cited
By later US patents
- Switched-mode power amplifier integrally performing power combining78US 6,937,096 B2IceFyre Semiconductor Corporation · 2005
- Switched-mode power amplifier integrally performing power combining77US 6,603,352 B2IceFyre Semiconductor Corporation · 2003
- Parallel power amplifier and associated methods29US 7,161,423 B2Silicon Laboratories Inc. · 2007
- Parallel power amplifier and associated methods20US 7,629,843 B2Black Sand Technologies, Inc. · 2009
- Multi-bit class-D power amplifier system5US 7,948,312 B2QUALCOMM Incorporated · 2011